40854407 has 4 divisors (see below), whose sum is σ = 44568456. Its totient is φ = 37140360.

The previous prime is 40854397. The next prime is 40854431. The reversal of 40854407 is 70445804.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40854407 - 2¹⁰ = 40853383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40854487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1857008 + ... + 1857029.

It is an arithmetic number, because the mean of its divisors is an integer number (11142114).

Almost surely, 2^40854407 is an apocalyptic number.

40854407 is a deficient number, since it is larger than the sum of its proper divisors (3714049).

40854407 is a wasteful number, since it uses less digits than its factorization.

40854407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3714048.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 40854407 is about 6391.7452233330. The cubic root of 40854407 is about 344.4130803638.

The spelling of 40854407 in words is "forty million, eight hundred fifty-four thousand, four hundred seven".